Preparation method for biomass organic adsorption material based on modified glucose or cane sugar
An adsorption material, glucose technology, applied in chemical instruments and methods, adsorption water/sewage treatment, water/sludge/sewage treatment, etc., can solve problems such as industrial application defects and weak adsorption capacity, and achieve good desorption regeneration performance , Enhanced complexing ability and reduced cost
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Embodiment 1
[0023] A kind of preparation method of the biomass organic adsorption material based on modified glucose or sucrose, comprises the following steps: 15 parts (mass parts, the unit can be kilogram, the same hereinafter) of phthalic anhydride is dissolved in 100 parts of acetone under stirring condition, weighs Take 10 parts of glucose and add them to the acetone solution in batches. After adding the glucose, add 3 parts of triethylamine as a catalyst to the solution, and then add the remaining glucose in batches and mix them. Raise the reaction temperature to 70°C and stir for 8 hours. Naturally cooled to room temperature; the resulting mixture was filtered, and the filtrate was dried and purified by distillation to obtain the final product.
Embodiment 2
[0025] A preparation method of a biomass organic adsorption material based on modified glucose or sucrose, comprising the following steps: dissolving 10 parts (parts by mass, the unit can be kilograms, the same hereinafter) of phthalic anhydride in 100 parts of acetone under stirring conditions, weighing Take 10 parts of sucrose, add it to the acetone solution in batches, add 8 parts of triethylamine to the solution as a catalyst after adding sucrose, add the remaining sucrose in batches and mix; raise the reaction temperature to 70°C, and stir for 8 hours Naturally cool to room temperature. The resulting mixture is filtered, and the filtrate is dried and purified by distillation to obtain the final product.
Embodiment 3
[0027] A preparation method of a biomass organic adsorption material based on modified glucose or sucrose, comprising the following steps: adding 12 parts (mass parts, the unit can be kilograms, the same hereinafter) of phthalic anhydride to 100 parts of tert-butanol under stirring conditions Stir to make it disperse evenly into a solution, weigh 10 parts of glucose, add to the solution in portions, after adding glucose, add 5 parts of triethylamine to the solution as a catalyst, and add the remaining glucose in portions to mix; raise the reaction temperature to 95°C, stirred and reacted for 8 hours, then naturally cooled to room temperature; the resulting mixture was filtered, and the filtrate was dried and purified by distillation to obtain the final product.
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